Finding the Fourth Proportional to 6,430,734.67, 8,874,184.21 and 3,639,798.03
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Solution
The fourth proportional to 6,430,734.67, 8,874,184.21 and 3,639,798.03 is: 5,022,791.30
Step by Step Solution
- Step 1: Write the proportion equation
6,430,734.67 : 8,874,184.21 = 3,639,798.03 : x - Step 2: Convert to fraction form
6,430,734.67/8,874,184.21 = 3,639,798.03/x - Step 3: Cross multiply
6,430,734.67x = 8,874,184.21 × 3,639,798.03 - Step 4: Simplify right side
6,430,734.67x = 32,300,238,142,845.20 - Step 5: Solve for x
x = 32,300,238,142,845.20/6,430,734.67 - Step 6: Final answer
x = 5,022,791.30
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.